PlainWater

CAGUAS NORTE

PWS ID: PR0005086 · CAGUAS, Puerto Rico 00725

PFAS Detected

2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
46,530
Total Violations
315
Health-Based Violations
124
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
17,427
County
Caguas Municipio
School/Daycare
No
MCL Violations
29
Monitoring Violations
182
Treatment Tech Violations
95

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule TT 71 2015
CARBON, TOTAL TT 23 2015
Cryptosporidium MR 13 2017
E. COLI MR 13 2017
Turbidity MR 13 2017
Total Haloacetic Acids (HAA5) MCL 12 2010
Coliform (TCR) MCL 9 2009
TTHM MCL 8 2013
Lead and Copper Rule MR 7 2015
Coliform (TCR) MR 6 2014
Carbon tetrachloride MR 5 2010
CHLOROBENZENE MR 5 2010
1,2,4-Trichlorobenzene MR 4 2010
cis-1,2-Dichloroethylene MR 4 2010
Xylenes, Total MR 4 2010
DICHLOROMETHANE MR 4 2010
p-Dichlorobenzene MR 4 2010
Vinyl chloride MR 4 2010
trans-1,2-Dichloroethylene MR 4 2010
1,1,1-Trichloroethane MR 4 2010
Trichloroethylene MR 4 2010
Tetrachloroethylene MR 4 2010
Benzene MR 4 2010
Toluene MR 4 2010
Ethylbenzene MR 4 2010
o-Dichlorobenzene MR 4 2010
1,2-Dichloroethane MR 4 2010
1,2-Dichloropropane MR 4 2010
1,1,2-Trichloroethane MR 4 2010
Styrene MR 4 2010

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFBS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/20/2024 0.0074 µg/L 0.004 µg/L Detected
PFTrDA 8/20/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFUnA 8/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 8/20/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/20/2024 10.2400 µg/L 9 µg/L Detected
PFOA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/20/2024 <0.006 µg/L 0.006 µg/L Not Detected
11Cl-PF3OUdS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 8/20/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/31/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 5/31/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/31/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/31/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/31/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/31/2024 <0.02 µg/L 0.02 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.